*Atsushi Fujita¹, Seiya Nagao², Shinya Ochiai², Ryo Sugimoto³, Matthew Charette⁴, Paul Henderson⁴ (1.Graduate School of Natural Science and Technology, Kanazawa University, 2.Institute of Nature and Environmental Technology, Kanazawa University, 3.Reseach Center for Marine Bioresources, Fukui Prefectural University, 4.Department of Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institute)

*Atsushi Fujita¹, Seiya Nagao², Shinya Ochiai², Ryo Sugimoto³, Matthew Charette⁴, Paul Henderson⁴ (1.Graduate School of Natural Science and Technology, Kanazawa University, 2.Institute of Nature and Environmental Technology, Kanazawa University, 3.Reseach Center for Marine Bioresources, Fukui Prefectural University, 4.Department of Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institute)